EP0696340B1 - Durch klebkraft gesichertes pumpenbefestigungssystem - Google Patents

Durch klebkraft gesichertes pumpenbefestigungssystem Download PDF

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Publication number
EP0696340B1
EP0696340B1 EP94901312A EP94901312A EP0696340B1 EP 0696340 B1 EP0696340 B1 EP 0696340B1 EP 94901312 A EP94901312 A EP 94901312A EP 94901312 A EP94901312 A EP 94901312A EP 0696340 B1 EP0696340 B1 EP 0696340B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
fastener
reservoir
substrate
plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94901312A
Other languages
English (en)
French (fr)
Other versions
EP0696340A1 (de
Inventor
Theodore J. Sweeney, Sr.
Engelbert A. Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Theodore J Sweeney and Co Inc
Original Assignee
Theodore J Sweeney and Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Theodore J Sweeney and Co Inc filed Critical Theodore J Sweeney and Co Inc
Publication of EP0696340A1 publication Critical patent/EP0696340A1/de
Application granted granted Critical
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Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825—Pressure sensitive adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/484—Moisture curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/924—Coupled nut and bolt
    • Y10S411/929—Thread lock
    • Y10S411/93—Flowing metal or settable material

Definitions

  • This application relates to adhesively secured fasteners utilizing quick setting adhesives.
  • Fasteners containing their own internal supply of adhesive provide a way of storing, transporting and delivering a desired amount of adhesive to the site of attachment. They are designed so that one or more materials or objects may be mechanically attached to the fastener body which is adhesively secured to the underlying substrate.
  • the use of quick setting adhesives in such fasteners facilitates the formation of bonds between two or more materials or objects, one or more of which may not be compatible with the adhesive. Additionally, the use of these fasteners often eliminates the need for any deformation or degradation of the various surfaces.
  • U.S. Patent No. 5,044,852 does attempt to address this problem. It discloses a vacuum fixed adhesively secured fastener. This fastener is designed so that adhesives released from an adhesive reservoir in the body of the fastener are contained by the vacuum and barrier-like action of the outer edge of the resilient plastic material of the fastener body. The vacuum fixed fastener can thus be handled without the danger of adhesive contact with workmen or other nondesired surfaces.
  • the use of the vacuum fixed adhesively secured fastener is restricted to use on substrates of a non-porous nature and/or those which facilitate the creation of a vacuum with the resilient plastic material of the fastener body.
  • substrates which provides a safe and effective method of storing, transporting, delivering and using a quick setting adhesive.
  • substrates such as wood fiber interior trim boards, cloth covered interior parts, headliners materials, and exterior parts comprised of plastic and fiber reinforced plastic, including SMC and BMC, having pockmarked or non-smooth surfaces, could utilize an adhesively secured fastener which provides a safe way to rapidly attach articles thereon.
  • such a fastener should be simple and easy to use while protecting against all possibility of accidental contact between the adhesive and the user of the fastener.
  • the adhesively securable fastener of the present invention comprises a fastener as defined by claim 1, 11, or 13.
  • the invention described herein provides for a safe and effective method of adhering the fastener body to a wide variety of substrates.
  • the fasteners of the present invention are intended to function on a wide variety of substrates particularly those which are porous, pockmarked, rough and/or irregular.
  • FIGS 1 through 6 illustrate a preferred embodiment of the adhesively secured fastener which is intended to provide a means of securing, for example, an upper automobile roof piece 22 .to a lower automobile roof piece 24.
  • the upper and lower roof pieces 22 and 24 will be comprised of electro-deposition coated sheet metal and are designed to be permanently secured together with a structural adhesive such as a urethane epoxy.
  • structural adhesives may take up to 72 hours to cure, it is necessary to secure the upper roof 22 to the lower roof 24 in such a way as to prevent any movement therebetween while the automotive body moves down the assembly line.
  • the fasteners of the instant invention as illustrated in Figures 1 through 6 may be used to provide a secure connection preventing movement between the upper and the lower roof pieces 22, and 24, to allow the structural adhesive sufficient time to achieve its full cure.
  • Figure 1 illustrates fastener 20 adhesively secured to lower roof section 24 and mechanically fastening upper roof section 22 via the latching action of clasp 26 around hollow, upstanding post 28.
  • Clasp 26 is prevented from lifting up off of hollow, upstanding post 28 by the retaining action of lips or hooks 30 and 31, illustrated in Figures 1, 2, 5 and 7 which engage over the parallel, stiffly resilient, rails 27 and 29.
  • the rails will spread apart sufficiently to snap beneath the lips or hooks 30 and 31 when the rails are forced against the tapered surfaces 31a and 30a of the lips as the clasp is pressed down over the post.
  • upper roof section 22 has a notched area 33 through which the post 28 extends. This positioning allows clasp ends 26a and 26b to bear against tab portions 22a and 22b of upper roof section 22 as illustrated in Figures 1, 5 and 6, holding them together.
  • Fastener 20 is comprised of fastener body 32, reservoir 34, adhesive 36 and means for displacing 38.
  • Fastener body 32 is comprised of base member 40 and hollow upstanding post 28. It will be appreciated that post 28 serves two functions. First, with the use of lips 30 and 31, post 28 serves as the means for securing clasp 26 and thereby mechanically securing materials such as upper roof tabs 22a and 22b between base member 40 and clasp ends 26a and 26b. As previously discussed, upper roof section 22 should have an opening 33 to allow the positioning of post 28 therein. Second, as discussed below, hollow, upstanding post 28 provides a reservoir in which adhesive 36 is disposed.
  • fastener body 32 in addition to base member 40 and post 28, may also comprise living hinge 42 attached to clasp 26. If living hinge 42 is present, both it and clasp 26 may be considered to be part of fastener body 32. Of course, it will be appreciated by those skilled in the art that clasp 26 may be independent of fastener body 32 and unattached to living hinge 42 and base member 40. However, in this particular embodiment, it is most preferred that living hinge 42 be present in that it prevents inadvertent misplacement of clasp 26 prior to mechanical attachment of upper roof section 22 or the like.
  • fastener body 32 may be comprised of one or more materials such as wood, metal or plastic.
  • the body 32 will be comprised of a rigid material.
  • the fastener body 32 will be comprised of one or more plastics.
  • suitable plastics include acrylonitrile-butadiene-styrene (ABS); acrylics; epoxys; phenolics; melamines; nylons; polycarbonates such as LEXANTM (trademark of General Electric Co.); and polyolefins such as polyethylene, polypropylene, ethylene propylene diene monomer (EPDM), polyvinyl chloride and the like.
  • ABS acrylonitrile-butadiene-styrene
  • acrylics epoxys
  • phenolics phenolics
  • melamines nylons
  • polycarbonates such as LEXANTM (trademark of General Electric Co.)
  • EPDM ethylene propylene diene monomer
  • the fastener body 32 will be comprised of polycarbonate or
  • fastener body 32 be discontinuous in that it contains such holes and/or gaps 43. Most preferably, however, fastener body 32 should be free from all such holes and gaps in order to promote the uninterrupted flow of adhesive 36.
  • the hollow interior or cavity within post 28 may itself serve as an adhesive reservoir
  • the preferred construction contemplates that a separate reservoir element 34 fit securely within hollow, upstanding post 28.
  • the contours or shape of cavity 35 within post 28 as shown in Figures 4-7 should correspond to the outside shape of reservoir 34.
  • the cavity 35 of post 28 is shaped as an oval and corresponds to the oval shape of reservoir 34, it will be appreciated by those skilled in the art that other shapes for both the inner cavity of post 28 and reservoir 34 are possible.
  • reservoir 34 may be contiguous with and comprised of the same material as the fastener body 32, i.e. base member 40 and hollow, upstanding post 28, it is most preferable that reservoir 34 be a separate element and comprised of a material different from that of fastener body 32. It will be appreciated by those skilled in the art that such a configuration allows for the optimum choice of materials for the respective elements of the fastener body 32 and the reservoir 34.
  • reservoir 34 will be comprised of a material such as polypropylene or polyethylene.
  • Reservoir 34 may be fashioned in a wide variety of shapes to accommodate the configuration of the cavity within post 28. Reservoir 34 may have dissimilar outer and inner contours so as to provide a bridge between the shape requirements of fastener body 32 and the shape requirements of reservoir 34.
  • Adhesive 36 is intended to be disposed within reservoir 34. Although adhesive 36 is illustrated in Figure 2 in the form of a spherical capsule, it will be appreciated that this is for illustrative purposes only and should not be considered limiting.
  • the adhesive used herein will be of the quick setting adhesive variety commonly known in the art. Suitable adhesives are discussed in the HANDBOOK OF ADHESIVES, 2nd Ed. edited by Irvin Guist, 1977, which is herein incorporated by reference. It will be appreciated by those skilled in the art that the choice of adhesive will depend upon the anticipated end use of the fastener. In general, the most relevant considerations will be the composition of the substrate and the required bond strength.
  • suitable adhesives include anaerobics, cyanoacrylates, urethanes and epoxys. Particular examples are 3M Scotch Grip #2353, manufactured by Minnesota Mining and Manufacturing, St. Paul, Minnesota; Loctite 414, manufactured by Loctite Corporation, Newington, Connecticut; Goodrich E2102B, E2101A, or E2101B, manufactured by B. F. Goodrich Chemical Company, Cleveland, Ohio and the urethane adhesive sold by UPACO Adhesive, Inc., 3 East Spitbrook Road, Nashua, New Hampshire. Most preferably, the adhesive will be a cyanoacrylate such as the Loctite 414 mentioned above.
  • adhesive 36 will most commonly be a free flowing liquid substance, it is anticipated that encapsulated adhesives, including microencapsulated adhesives, such as those discussed in the previously referenced prior art patents, are also suitable for incorporation into reservoir 34 as adhesive 36.
  • Means for displacing the adhesive from the reservoir may be seen in Figure 2 in the depiction of fastener 20 in its unassembled state as a plunger-like apparatus 38 having a first or head portion 44 and a second or foot portion 46.
  • the position of plunger 38 within the reservoir 34 and fastener body 32 depends upon the status of the fastener.
  • the plunger blocks the escape of adhesive from the reservoir and provides a secure closure for the open end 39 of the reservoir. This is accomplished by the first or head portion 44 fitting snugly within the open end 39 of reservoir 34.
  • the "snug" fit between first portion 44 and reservoir 34 is achieved with the use of thickened reservoir walls 37 which provide a reduced inside diameter open end 39.
  • the remainder of the inside of the reservoir is of greater inside diameter as at 34a whereby adhesive in the reservoir can flow around the head portion 44 as the plunger is pushed into the reservoir.
  • the reduced diameter of the reservoir at open end 39 creates a tight fit with the head portion 44 and allows the assembled, ready-to-use fastener to be safely transported without fear of accidental displacement of the plunger 38.
  • plunger 38 should be comprised of a material that is nonreactive and inert with regards to adhesive 36.
  • the plunger 38 will be comprised of the same material as reservoir 34.
  • plunger 38 will be comprised of polypropylene or polyethylene.
  • the plunger 38 when the fastener 20 is pressed or deployed against a substrate such as lower roof section 24, the plunger 38 will be pushed into the reservoir in post 28 displacing the adhesive therefrom.
  • the plunger 38 is sized so as to fit closely within the interior cavity of reservoir 34 and thus deploy the maximum amount of adhesive 36 therefrom.
  • FIG. 3 illustrating a bottom perspective view of the fastener 20 of Figure 2 in an assembled state, shows first surface 50, which surrounds the open end 39 of the reservoir and is that portion of fastener body 32 which directly engages in the formation of the adhesive bond with the substrate, in this case lower roof section 24.
  • first surface 50 which surrounds the open end 39 of the reservoir and is that portion of fastener body 32 which directly engages in the formation of the adhesive bond with the substrate, in this case lower roof section 24.
  • second surface 52 surrounding the periphery of the first surface 50 which lies in a plane displaced from the plane in which first surface 50 lies.
  • first surface 50 is urged there against such as lower roof section 24, such that an interface 54 is created therebetween which is illustrated in Figures 6 and 7.
  • second portion or foot 46 of the plunger 38 is forced against lower roof section 24.
  • This movement causes the initial displacement of first portion 44, and ultimately of the entire plunger 38, into reservoir 34.
  • the movement of means for displacing 38 into reservoir 34 causes the outward flow and displacement of adhesive 36 through the open end of the reservoir 34 and around foot portion 46.
  • the adhesive 36 flows into interface 54 which surrounds the open end 39 of the reservoir.
  • interface 54 has been shown to be greater than what may be reasonably expected in actual use. That is, for the purposes of illustration only, the amount of adhesive 36 used in the formation of the adhesive bond and contained within the interface 54 has been enlarged. Most preferably, the size of interface 54 and the quantities of adhesive 36 employed in fastener 20 will be minimized as much as possible.
  • the amount of adhesive 36 used in the fasteners of the instant invention is a function of the adhesive strength, the composition of the substrates and first surface 50, as well as the desired bond strength.
  • means for directing 48 located on the second portion 46 of means for displacing 38.
  • Means for directing 48 are intended to aid in and control the outward flow of adhesive 36 from reservoir 34.
  • Such means for directing 48 will be comprised of vertical grooves running the length of second portion 46. These vertical grooves are best illustrated in the perspective views of Figures 2, 3 and in the top view of Figure 5. The side cut-away views of Figures 4, 6 and 7 also show said means for directing 48.
  • fastener of the instant invention will preferably include such means for directing 48, such means may be considered an optional element and the foot portion may simply be of smaller cross-section than the head portion 44 so that when the foot portion enters the open end 39 of the reservoir the adhesive will be able to exit the reservoir.
  • the fasteners disclosed herein will comprise means for directing 48 in the form of vertical channels as illustrated herein. Such channels or grooves will control and help distribute the flow to insure relatively uniform amounts of adhesive are distributed evenly to the interface.
  • the second surface 52 surrounds the periphery of first surface 50 and lies in a plane displaced from the plane of first surface 50.
  • first surface 50 when the first surface 50 is placed against lower roof section 24, the displacement of the planes in which first surface 50 and second surface 52 lie causes the second surface 52 to overhang in spaced juxtaposition the lower roof section 24.
  • the adhesive is not an anaerobic adhesive, and cures upon contact with oxygen, rapid setting and curing of the adhesive 36 will occur in the space 56 and cause containment and non-movement of adhesive 36 therefrom.
  • adhesive 36 does not cure upon contact with oxygen, for example an anaerobic adhesive, the protective overhang of second surface 52 will contain and prevent accidental user contact with the uncured adhesive 36.
  • first surface 50 and second surface 52 may be varied as a function of the quantity of adhesive 36 contained within reservoir 34.
  • FIGS 8 through 12 illustrate a second alternative embodiment of the invention.
  • Figure 8 provides a perspective view of fastener 60 adhesively secured to wood fiber interior trim board 62.
  • fastener body 64 is comprised of base member 66, attachment bracket 68, and so called Christmas tree attachment 72.
  • Attachment bracket 68 consists of walls 68a and b perpendicularly attached to base member 66, bottom wall portion 68d perpendicularly attached thereto and front wall portion 68b perpendicularly attached to wall portions 68a, c and d. Contained within the plane of front wall portion 68b is opening 69 which acts to secure Christmas tree attachment 72 therein.
  • FIG. 10 The interaction of Christmas tree attachment 72 and opening 69 is illustrated in Figure 10 wherein back portion 79 is positioned behind opening 69 in front wall portion 68b. Middle portion 78 of attachment 72 is positioned in front of opening 69 in wall portion 68b. A second substrate 63 may be attached to substrate 62 via the impaling action of attachment prong 75 of Christmas tree bracket 72 and is illustrated in Figure 10.
  • Attachment bracket 68 may take the form of the alternative embodiment illustrated in Figure 12.
  • attachment bracket 68 is further comprised of sloping vertical wall 68e as illustrated in Figure 12. While not necessary, diagonal wall 68e acts to impart increased strength and rigidity to the fastener body 68 and to eliminate the possibility of any interaction between reservoir 70 and Christmas tree attachment 72.
  • base member 66 and attachment bracket 68 of fastener body 64 will most preferably be comprised of the same material, they may be comprised of a dissimilar material.
  • Christmas tree attachment 72 will preferably be comprised of one or more different materials. Suitable materials for fastener body 64 and Christmas tree 72 are those discussed above in regards to fastener body 32.
  • base member 66 and attachment bracket 68 will be comprised of Lexan® Trademark of Genral Electric Company and Christmas tree attachment 72 of nylon.
  • Christmas tree attachment 72 is simply one depiction of a device well known in the art and that various other embodiments of this aspect of the invention are possible.
  • Reservoir 70 which serves as a repository for adhesive 74 and means for displacing 76, fits snugly within opening 81 of base member 66.
  • Opening 81 shown in Figures 9, 10, and 12, consists of first cavity 81a and second cavity 81b.
  • First cavity 81a has a diameter less than that of second cavity 81b.
  • Reservoir 70 is secured by the placement of flange 83 into second cavity 81b as illustrated in Figure 10.
  • Securing flange 83 surrounds the periphery of the lowermost portion of reservoir 70 and has a width greater than that of thickened reservoir walls 71.
  • reservoir 70 is prevented from movement therefrom by the secure fit of reservoir 70 within the lesser diameter of inner cavity 81a.
  • Adhesive 74 depicted as a sphere for illustrative purposes only, will be located within reservoir 70 and will be initially sealed by the positioning of the first portion or head 80 of plunger 76 within the open end 73 of reservoir 70 and later deployed by the inward action of lower portion or foot 82 of plunger 76.
  • the head.portion 80 of the plunger has a larger effective cross-section than the foot portion 82 because the latter has distribution channels or grooves 82a on its cylindrical surface similar to the channels 48 previously described.
  • the reservoir open end 73 is of a smaller inside diameter than the remaining inside diameter of the reservoir as at 70a so that adhesive in the reservoir can flow around the head 80 of the plunger 76 to enter the channels 82a in the plunger.
  • the channels 82a extend from beneath the head portion 80 to the opposite end of the foot portion 82. When the latter is disposed in the open end 73 of the reservoir, adhesive previously contained in the reservoir can flow out of the reservoir 70 through the channels 82a.
  • Figure 10 means for displacing in the form of plunger 76 is disposed within reservoir 70.
  • Figure 10 represents fastener 60 in an adhered state relative to trimboard 62 and mechanically attaching a second substrate or panel 63 thereto.
  • first portion 80 of means for displacing 76 fits within the open end 73 of reservoir 70 by virtue of thickened reservoir walls 71, second portion 82 of means for displacing 76 will extend beyond reservoir 70.
  • first surface 84 illustrated in Figure 10
  • second portion 82 will extend beyond reservoir 70.
  • adhesive 74 will be displaced into the interface 86 created by the direct communication of first surface 84 with wood fiber interior trim board 62.
  • Figure 11 is a bottom perspective view of the fastener of Figure 8 with the substrate 62 removed.
  • second surface 88 Surrounding the periphery of first surface 84 is second surface 88 which lies in a plane displaced from that of the plane in which first surface 84 lies.
  • the displacement of the plane in which second surface 88 lies relative to the interior trim board 62 creates space 90 into which excess adhesive 74 flows into.
  • the relative displacement will cause second surface 88 to overhang in spaced juxtaposition the first substrate, which in this embodiment is to be wood fiber interior trim board 62.
  • the presence of space 90 eliminates the risk of accidental user contact.
  • second surface 88 and first surface 84 may be enlarged or decreased as desired in relation to the amount of adhesive 74 contained within reservoir 70.
  • Figures 12 and 13 describe a third alternative embodiment of the invention.
  • the fastener 92 is shown in its adhered state in Figure 13.
  • Figure 12 is a bottom perspective of the fastener of Figure 13. It is intended to function as a wiring clip useful for attaching wires to soft automotive trim.
  • one or more wires or clusters of wires 94 can be secured to an underlying substrate such as an automotive headliner 96.
  • fastener 92 is comprised of fastener body 98 and wiring clip 104.
  • the fastener body 98 is comprised of hollow, upstanding post 100 and base member 102. Attached to hollow, upstanding post 98 for the purpose of securing wires 94 is wiring clip 104.
  • the bottom side of base member 102 consists of first surface 106. Surrounding the periphery of first surface 106 is second surface 108. As in the other previously discussed alternative embodiments of the invention, second surface 108 lies in a plane displaced from that of the plane in which first surface 106 lies. This displacement creates a space 110 when first surface 106 is positioned against the surface of headliner 96.
  • adhesive 116 flows into the interface 118 created by the direct communication of first surface 106 with headliner surface 96. Excess adhesive flowing from interface 118 is collected and contained within space 110, thus preventing accidental user contact with the adhesive 116.
  • Figures 12 and 13 illustrate the use of wall 120.
  • Wall 120 has a surface 122 lying in the plane of the first surface 106.
  • the surface 122 comprises a pressure sensitive adhesive. It will be appreciated that such materials are well known and need not be discussed further.
  • the pressure sensitive adhesive will cause the fastener to be temporarily "fixed" to the substrate while the adhesive 116 which has been expelled from the reservoir into the interface 118 sets up.
  • slower setting adhesives may be employed as adhesive 116.
  • Figures 14 and 15 illustrate a fourth alternative embodiment of the invention based on the fastener illustrated in Figures 12 and 13.
  • a fastener 124 has a concentric circular strip 126 of pressure sensitive adhesive lying in the plane of the first surface 128 which is surrounded by second surface 130.
  • Second surface 130 lies in a plane which is displaced from the plane in which first surface 128 lies to provide, as illustrated in Figure 15, a space 134 into which excess adhesive 136 will flow from interface 137 and be contained.
  • concentric circular strip 126 is quartered by means for distributing 138.
  • Means for distributing 138 is comprised of four channels which guide the adhesive 136 from the reservoir 133 throughout the first surface 128.
  • FIGS 17-25 illustrate two alternative embodiments of the adhesively securable fastener of the instant invention wherein the second overhanging surface described above is not present.
  • fastener 150 may be used as a blind fastener to attach the components of an automotive side door.
  • Trim panel 152 is attached to door inner panel 154 with the use of fastener body 150.
  • Trim panel 152 is attached to fastener body 150 by means of screwing screw 174 into hole 176.
  • screw 174 extends through hole 175 in trim panel 152 and is screwed into hole 176 in fastener 150 prior to the deployment of surface 172 against door inner 154.
  • fastener 154 may be used as a blind fastener.
  • fastener 150 could be adhesively secured to door inner 154 prior to the securement of screw 174 in hole 176.
  • fastener 150 comprises rigid fastener body 156 in which reservoir 158 is disposed.
  • Fastener body 156 is most preferably comprised of a hard ABS.
  • liquid adhesive 160 Disposed within reservoir 158 is liquid adhesive 160.
  • Reservoir 158 containing liquid adhesive 160 is sealed with means for displacing 162. It will be appreciated that the preceding discussion with respect to the components and materials comprising the fastener body, reservoir and liquid adhesive, etc. apply to the instant alternative embodiment.
  • Means for displacing 162 fits within the open end 164 of reservoir 158. It will be appreciated that the configuration of means for displacing 162 is analogous to those means for displacing discussed above.
  • the first portion 166 of- means for displacing 162 is configured so as to fit snugly within the open end 164 of reservoir 158. The extension of first portion 166 into reservoir 158 creates a seal such that a liquid adhesive contained in the reservoir is maintained in a liquid state prior to adhesive application of the fastener 150.
  • the means for displacing 162 when the fastener 150 is a non-deployed state, the means for displacing 162 will be positioned with the first portion 162 wedged within the open end 164 of reservoir 158 such that the second portion 168 of means for displacing 162 extends outward and beyond fastener body 156.
  • first surface 172 of fastener body 150 is directed toward the substrate 154.
  • means for displacing 162 is pushed into reservoir 158 to dispel liquid adhesive 160 into interface 170.
  • Interface 170 is created by the placement of first surface 172 against substrate 154.
  • Figure 21 provides a perspective view of the interior of an automobile from the driver's or left passenger's side. It will be appreciated that mirror 180 is visible through window 182. Disposed between door 184 and support beam 186 is a triangular, curved mirror patch 188. Mirror patch 188 is comprised of a suitable plastic such as polypropylene and is intended to hide non-asthetically pleasing wires and the like required for the proper functioning of mirror 180.
  • Mirror patch 188 is attached to the underlying structure with the use of fastener 190.
  • Fastener 190 illustrated in Figure 25, is adhesively secured to mirror patch 188 as illustrated in Figure 24 and mechanically fastens mirror patch 188 to sheet metal 192 with the use of flexible clip 214.
  • fastener 190 is comprised of fastener body 194 which contains reservoir 196.
  • Reservoir 196 resides within the portion 212 of fastener body 194.
  • Disposed within reservoir 196 is liquid adhesive 198.
  • Means for displacing 200 has a first portion 202 which fits snugly against the open end 204 of reservoir 196. When first portion 202 is secured against open end 204 of reservoir 196, second portion 204 of means for displacing 200 extends beyond surface 206 of fastener body 194. A seal is formed by the placement of first portion 202 against open end 204.
  • first surface 206 When first surface 206 is urged against or positioned next to the surface 208 of mirror patch 188, means for displacing 204 is displaced into reservoir 196. As a result, liquid adhesive 198 is expelled outward into the interface 210 created by the intimate contact of the first surface 206 with substrate 208.
  • flexible clip 214 protrudes through an opening 216 in sheet metal 192.
  • the flap 218 of sheet metal 192 may lie on top of flexible clip 214 as illustrated in Figure 22 or may be broken off such that tab 220 of flexible clip 214 overhangs the remainder of sheet metal tab 218. In either case, it will be appreciated that flexible clip 214 may be compressed while entering the opening 216 and expanded once it extends therethrough. The expansion of flexible clip 214 precludes the reverse movement of flexible clip 214 through the sheet metal opening 214.
  • mirror patch 188 is curved and that surface 206 of fastener body 194 is correspondingly shaped so as to provide a close fit therebetween.
  • the liquid adhesive 160 is a cyanoacrylate
  • the mirror patch 188 will be primed to improve adhesive adhesion thereto.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Connection Of Plates (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Claims (22)

  1. Befestigungsmittel zur klebenden Halterung, das folgendes aufweist: einen Körper mit einer anzuklebenden ersten Oberfläche, wobei die erste Oberfläche in einer ersten Ebene liegt, einen Behälter in dem Körper und Mittel zum Verdrängen eines Klebstoffes aus dem Behälter zu der ersten Oberfläche, gekennzeichnet durch:
       eine zweite Oberfläche (52, 63, 88, 108, 130), die die erste Oberfläche (50, 84, 106) umfangsmäßig umgibt und in einer zweiten Ebene liegt, die von der ersten Ebene versetzt ist, um in beabstandeter Nebeneinanderstellung über einem Substrat zu hängen, an dem die erste Oberfläche plaziert ist, und eine Ausdehnung aufweist, die ausreicht, um die erste Oberfläche herum einen Raum (56, 90, 134, 110) zum Einschließen von überschüssigem Klebstoff (74, 136) zu schaffen, der aus einer Grenzfläche extrudiert wird, die durch das Plazieren der ersten Oberfläche an dem Substrat gebildet wird, und um versehentlichen Kontakt des Verwenders mit dem darin eingeschlossenen Klebstoff (74, 136) zu verhindern.
  2. Befestigungsmittel nach Anspruch 1, bei dem der Körper (31), einschließlich der zweiten Oberfläche (52), aus einen steifen Material besteht.
  3. Befestigungsmittel nach Anspruch 1, das weiterhin eine effektive Haftmenge eines innerhalb des Behälters angeordneten Klebstoffes (36) umfaßt.
  4. Befestigungsmittel nach Anspruch 1, bei dem die erste Oberfläche (58, 138) Mittel zum Verteilen des Klebstoffs über die gesamte Grenzfläche enthält.
  5. Befestigungsmittel nach Anspruch 3, bei dem es sich bei dem Klebstoff um einen schnellhärtenden Klebstoff handelt.
  6. Befestigungsmittel nach Anspruch 5, bei dem der Klebstoff aus einem Cyanoacrylsäureesther besteht.
  7. Befestigungsmittel nach Anspruch 1, bei dem das Mittel zum Verdrängen (38) einen ersten Teil (44), der sich in den Behälter (34) erstreckt, und einen zweiten Teil (46), der sich über die erste Oberfläche (50) hinaus erstreckt, aufweist, wobei das Mittel in den Behälter verdrängt wird, wenn die erste Oberfläche an dem Substrat plaziert wird.
  8. Befestigungsmittel nach Anspruch 1, bei dem das Mittel zum Verdrängen weiterhin Mittel zum Lenken (48) des Klebstoffflusses von dem Behälter zu der Grenzfläche umfaßt.
  9. Befestigungsmittel nach Anspruch 8, bei dem das Mittel zum Lenken (48) mehrere Rinnen umfaßt, die senkrecht zur ersten Oberfläche liegen.
  10. Befestigungsmittel nach Anspruch 1, das weiterhin einen druckempfindlichen Klebstoff (122, 126) an dem Körper umfaßt, wobei der Klebstoff in der ersten Ebene liegt und in Kontakt mit dem Substrat angeordnet ist, um für das Substrat ein vorübergehendes Halterungsmittel bereitzustellen.
  11. Befestigungsmittel zur klebenden Halterung, das folgendes aufweist: einen Körper mit einer an dem Substrat anzuklebenden ersten Oberfläche, wobei die erste Oberfläche in einer ersten Ebene liegt, einen Behälter in dem Körper und Mittel zum Verdrängen eines in dem Behälter enthaltenen Klebstoffes in eine Grenzfläche, die gebildet wird, wenn die erste Oberfläche an dem Substrat plaziert wird, gekennzeichnet durch:
    eine zweite Oberfläche (108), die die erste Oberfläche (106) umfangsmäßig umgibt und in einer zweiten Ebene liegt, die von der ersten Ebene versetzt ist, um in beabstandeter Nebeneinanderstellung über dem Substrat zu hängen, an dem die erste Oberfläche plaziert ist, und eine Ausdehnung aufweist, die ausreicht, um die erste Oberfläche herum einen Raum (110) zum Einschließen von überschüssigem Klebstoff zu schaffen, der aus der Grenzfläche extrudiert wird, um versehentlichen Kontakt des Verwenders mit dem darin eingeschlossenen Klebstoff zu verhindern; und
    eine Wand (120), die den von der zweiten Oberfläche geschaffenen Raum begrenzt, wobei die Wand eine mit Klebstoff beschichtete Oberfläche (122) aufweist, die in der Ebene der ersten Oberfläche (106) liegt.
  12. Befestigungsmittel nach Anspruch 11, bei dem die mit Klebstoff beschichtete Oberfläche der Wand mit einem druckempfindlichen Klebstoff beschichtet ist.
  13. Befestigungsmittel zur klebenden Halterung an einem Substrat, das folgendes aufweist: einen Körper mit mindestens einer Oberfläche (128), die zu klebender Adhäsion an dem Substrat fähig ist, wobei die Oberfläche in einer ersten Ebene liegt, einen Behälter in dem Körper und Mittel (112) zum Verdrängen eines in dem Behälter enthaltenen Flüssigklebstoffes in eine Grenzfläche, die gebildet wird, wenn die mindestens eine Oberfläche an dem Substrat plaziert wird; dadurch gekennzeichnet, daß:
    der Körper (98) steif, unbiegsam und hart ist; und
    ein druckempfindlicher Klebstoff (126) in der ersten Ebene liegt und in Kontakt mit dem Substrat angeordnet ist, um für das Substrat ein vorübergehendes Halterungsmittel bereitzustellen, wenn die mindestens eine Oberfläche an dem Substrat plaziert wird.
  14. Befestigungsmittel nach Anspruch 13, bei dem der druckempfindliche (126) Klebstoff an einen Teil der mindestens einen Oberfläche (128) angrenzt.
  15. Befestigungsmittel nach Anspruch 1 oder 13, bei dem der Körper aus ABS hergestellt ist.
  16. Befestigungsmittel nach Anspruch 13, das weiterhin eine effektive Haftmenge eines innerhalb des Behälters angeordneten Klebstoffes umfaßt.
  17. Befestigungsmittel nach Anspruch 13, bei dem die erste Oberfläche Mittel zum Verteilen des Klebstoffs über die Grenzfläche enthält.
  18. Befestigungsmittel nach Anspruch 16, bei dem es sich bei dem Klebstoff um einen schnellhärtenden Klebstoff handelt.
  19. Befestigungsmittel nach Anspruch 18, bei dem der Klebstoff aus einem Cyanoacrylsäureesther besteht.
  20. Befestigungsmittel nach Anspruch 13, bei dem das Mittel zum Verdrängen einen ersten Teil, der sich in den Behälter erstreckt, und einen zweiten Teil, der sich über die erste Oberfläche hinaus erstreckt, aufweist, wobei das Mittel in den Behälter verdrängt wird, wenn die erste Öberfläche an dem Substrat plaziert wird.
  21. Befestigungsmittel nach Anspruch 1, bei dem das Mittel zum Verdrängen weiterhin Mittel zum Lenken des Klebstoffflusses von dem Behälter zu der Grenzfläche umfaßt.
  22. Befestigungsmittel nach Anspruch 21, bei dem das Mittel zum Lenken mehrere Rinnen umfaßt, die senkrecht zur ersten Oberfläche liegen.
EP94901312A 1992-11-06 1993-11-08 Durch klebkraft gesichertes pumpenbefestigungssystem Expired - Lifetime EP0696340B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US972618 1992-11-06
US07/972,618 US5277530A (en) 1992-11-06 1992-11-06 Adhesively secured pump fastener system
PCT/US1993/010726 WO1994011643A1 (en) 1992-11-06 1993-11-08 Adhesively secured pump fastener system

Publications (2)

Publication Number Publication Date
EP0696340A1 EP0696340A1 (de) 1996-02-14
EP0696340B1 true EP0696340B1 (de) 1997-08-20

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Application Number Title Priority Date Filing Date
EP94901312A Expired - Lifetime EP0696340B1 (de) 1992-11-06 1993-11-08 Durch klebkraft gesichertes pumpenbefestigungssystem

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US (2) US5277530A (de)
EP (1) EP0696340B1 (de)
AU (1) AU5594894A (de)
CA (1) CA2147874C (de)
DE (1) DE69313305T2 (de)
WO (1) WO1994011643A1 (de)

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US6076565A (en) * 1997-08-08 2000-06-20 Theodore Sweeney & Company Adhesive fastener and method
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US6524433B2 (en) 1998-05-11 2003-02-25 Theodore J. Sweeney, Jr. Self-dispensing fastener for photocuring adhesive
US6164343A (en) * 1998-07-28 2000-12-26 Theodore Sweeney & Company, Inc. Method and apparatus for verifying an encapsulation of quick-setting adhesive in small reservior cups
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DE20206453U1 (de) 2002-04-24 2002-08-14 Dr.Ing.H.C. F. Porsche Ag, 70435 Stuttgart Klebeverbindung
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Also Published As

Publication number Publication date
CA2147874C (en) 2004-05-18
DE69313305D1 (de) 1997-09-25
CA2147874A1 (en) 1994-05-26
AU5594894A (en) 1994-06-08
WO1994011643A1 (en) 1994-05-26
EP0696340A1 (de) 1996-02-14
US5277530A (en) 1994-01-11
US5584630A (en) 1996-12-17
DE69313305T2 (de) 1998-01-22

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